package com.xiaotu.repository;

import com.xiaotu.pojo.Comment;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.data.jpa.repository.Modifying;
import org.springframework.data.jpa.repository.Query;
import org.springframework.stereotype.Repository;
import org.springframework.transaction.annotation.Transactional;
@Repository
public interface CommentRepository extends JpaRepository<Comment,Integer> {
    //根据评论id修改评论作者
    @Transactional
    @Modifying
    @Query("update t_comment c set c.author=?1 where c.id = ?2")
    public int updateComment(String author,Integer id);
}
